Question

Define thermodynamics in breifly

Answer 1

Thermodynamics is that branch of Engineering- science which deals the   energies possessed by gases and vapours.

Answer 2

It a branch of science which deals with study of heat flow.
Or specially it deals with converting of heat (which low level form of energy) into Work ( Mechanical work) ( which is higher level of energy)

In other words
It is the science of energy transfer and its effects on properties
The main aim of TD is to convert heat (disorganized form of energy) into work (organized form of energy) in efficient in manner.

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